Conservation Foundation, Darling, F. . F., & Milton, J. P. (1966). Future environments of North America: Being the record of a conference convened by the Conservation Foundation in April, 1965, at Airlie House, Warenton, Virginia. Natural History Press.
Chicago Style (17th ed.) CitationConservation Foundation, Frank Fraser Darling, and John P. Milton. Future Environments of North America: Being the Record of a Conference Convened by the Conservation Foundation in April, 1965, at Airlie House, Warenton, Virginia. Garden City, N.Y: Natural History Press, 1966.
MLA (9th ed.) CitationConservation Foundation, et al. Future Environments of North America: Being the Record of a Conference Convened by the Conservation Foundation in April, 1965, at Airlie House, Warenton, Virginia. Natural History Press, 1966.